SEC Form 4 · accession 0001628280-26-053354
QUANTUM CORP /DE/ · QMCO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Anthony Craythorne
Officer — Chief Revenue Officer
Period of report
Aug 3, 2026
Accepted (ET)
Aug 5, 2026 · 4:10 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000709283
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Aug 3, 2026 | S | 1,478 | $10.7281 | D | 13,522 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on January 1, 2026. This Form 4 is a required filing under the Securities Exchange Act of 1934, and the securities in this Form 4 are subject to the terms of that certain Lock-Up Letter Agreement, by and between the issuer and the Reporting Person, dated as of June 1, 2026, and is subject to clause (h) thereunder.
- F2The shares were sold on August 3, 2026 at a price of $10.7281 per share.